Testagen

Also known as: KHEE peptide, Lys-His-Glu-Glu

Anti-Aging & LongevityPRECLINICAL

Clinical Status

Preclinical — Russian bioregulator research.

Mechanism of Action

A tetrapeptide bioregulator targeting testicular tissue. Modulates gene expression in Leydig and Sertoli cells, supports age-related decline in testosterone production, and promotes spermatogenesis.

Dosing Defaults

Dose

10 mg

Frequency

1x daily

Administration

Oral capsule

Timing

Morning

Food

fasted

Duration

10-20 day cycles

Dose range: 5-20 mg daily

Morning dosing aligns with natural testosterone circadian rhythm.

Side Effects

•Mild GI discomfort
•Headache
•Acne (rare)

Contraindications & Warnings

⚠Hormone-sensitive cancers

•Not medical advice
•Limited clinical data

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This information is for educational purposes only and is not medical advice. Dosing data is based on research literature and community reports. Always consult a qualified healthcare provider before using any peptide.